'''
Created on 09/04/2009

@author: eh01
'''
from im.ds import dsconstants, dsofactory
from im.ds.dsstub import DSStub
from im.event import eventconstants
from im.event.event import Event
from im.event.eventhandler import BaseEventHandler
from im.event.eventmanager import EventManager
import httplib
import os

class HTTPRequestGETIndexHandler(BaseEventHandler):

    def do(self, data):
        dso = data
        http_request = dso.get_dst(subject=dsconstants.SUBJECT_ROOT,
                    predicate=dsconstants.PREDICATE_HTTP_REQUEST).get_literal()
        lock = dso.get_dst(subject=dsconstants.SUBJECT_ROOT,
                    predicate=dsconstants.PREDICATE_LOCK).get_literal()                    
        event_type = eventconstants.HTTP_RESPONSE_EVENT_TYPE
        # get the path of the appropriate html template
        ds_stub = DSStub()
        relative_path = None
        if ds_stub.is_hub():
            relative_path = "../../../pages/hub/index.html"
        else:
            relative_path = "../../../pages/im/index.html"
        
        # get the html
        template_path = os.path.join(os.path.dirname(__file__), relative_path)
        file = open(template_path)
        html_template_string = file.read()
        
        # create new dso        
        new_dso = dsofactory.create_dso_for_im_http_response_handler(httplib.OK, 
                                                               'text/html', 
                                                               html_template_string, 
                                                               http_request, 
                                                               lock)            
        event = Event(event_type, new_dso)
        EventManager().add_event(event)